IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0791344
(2004-03-01)
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발명자
/ 주소 |
- Cuvelier,Leon Robert
- van der Straten Waillet,Harold Patrick
- Gossez,Paul
- Vanderlinden,Jimmy
- Ghotbadinian,Hamid
- Clement,Erwan
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
5 인용 특허 :
53 |
초록
▼
A silencer for a ventilation system, for example a gas turbine air intake system, includes first and second body sections spaced from each other to define a gas flow path therebetween. Methods of attenuating noise from a gas turbine air intake includes directing air from a dirty air plenum of a gas
A silencer for a ventilation system, for example a gas turbine air intake system, includes first and second body sections spaced from each other to define a gas flow path therebetween. Methods of attenuating noise from a gas turbine air intake includes directing air from a dirty air plenum of a gas turbine air intake system through an air flow path defined by first and second body sections.
대표청구항
▼
What is claimed is: 1. A silencer comprising: (a) a first body section including a base, sidewall, and an upper wall; (i) the upper wall having a center region with a concave wall smoothly sloping downwardly terminating at the sidewall; (ii) the sidewall joining together the base and the upper wall
What is claimed is: 1. A silencer comprising: (a) a first body section including a base, sidewall, and an upper wall; (i) the upper wall having a center region with a concave wall smoothly sloping downwardly terminating at the sidewall; (ii) the sidewall joining together the base and the upper wall; (iii) the base, sidewall, and upper wall together forming a first body section interior volume; (iv) a first region of packing material contained within a protective film being within the interior volume and pressed against the base, sidewall, and upper wall; (v) the base, sidewall, and upper wall comprising steel; (b) a second body section having a second body section base, outer sidewall, inner sidewall, and upper wall; (i) the second body section base, outer sidewall, inner sidewall, and upper wall together defining a second body section interior volume; (ii) the second body section having a center aperture, with the inner sidewall lining the center aperture; (iii) a second region of packing material contained within a protective film being within the second body section interior volume; (c) a frame arrangement including an outer tubular housing with an inner volume; (i) the second body section being secured to the frame arrangement with the outer tubular housing extending through the second body section center aperture; (ii) the first body section being oriented relative to the frame arrangement such that the center region of the upper wall extends into the inner volume of the outer tubular housing; and (iii) the upper wall of the first body section and the second body section inner sidewall and the second body section base together defining a gas flow path from the inner volume of the tubular housing; (d) a fan supported by the center region of the upper wall; the fan being within the inner volume of the tubular housing; and (e) a hopper including a plurality of chambers surrounding the fan; the chambers having a region of packing material therein. 2. A gas turbine air intake system comprising: (a) a frame; (b) a plurality of filter elements supported by the frame; the filter elements having an upstream portion and a downstream portion; (i) the upstream portion of the filter elements being located in a dirty air plenum, and the downstream portion of the filter elements being located in a clean air plenum; (c) a reverse-pulse cleaning system oriented to periodically direct pressurized fluid into the filter elements through the downstream portion; (d) a fan arrangement in gas flow communication with the dirty air plenum; and (e) a silencer arrangement supported by the frame and in gas flow communication with the fan arrangement; (i) the silencer arrangement including first and second body sections spaced from each other to define a gas flow path therebetween; (ii) the first body section includes a base, sidewall, and an upper wall; with the upper wall having a center region with a concave wall smoothly sloping downwardly terminating at the sidewall; the base, sidewall, and upper wall together forming a first body section interior volume; and a first region of packing material being within the interior volume and pressed against the base, sidewall, and upper wall; (iii) the second body section has a second body section base, outer sidewall, inner sidewall, and upper wall that together define a second body section interior volume; the second body section having a center aperture with the inner sidewall lining the center aperture; and a second region of packing material being within the second body section interior volume; and where the upper wall center region of the first body section projects into the center aperture of the second body section; (iv) the upper wall of the first body section and the second body section inner sidewall and the second body section base together define the gas flow path; (f) a hopper arrangement between the fan arrangement and the silencer arrangement; wherein the silencer arrangement permits gas flow in first and second conditions; (i) in a first condition, gas flows from the dirty air plenum, through the silencer arrangement, and to external atmosphere; and (ii) in a second condition, gas flows from external atmosphere, through the silencer arrangement, and to the dirty air plenum. 3. A gas turbine air intake system comprising: (a) a frame; (b) a plurality of filter elements supported by the frame; the filter elements having an upstream portion and a downstream portion; (i) the upstream portion of the filter elements being located in a dirty air plenum, and the downstream portion of the filter elements being located in a clean air plenum; (c) a reverse-pulse cleaning system oriented to periodically direct pressurized fluid into the filter elements through the downstream portion; (d) a fan arrangement in gas flow communication with the dirty air plenum; and (e) a silencer arrangement supported by the frame and in gas flow communication with the fan arrangement; (i) the silencer arrangement including first and second body sections spaced from each other to define a gas flow path therebetween; (ii) the first body section includes a base, sidewall, and an upper wall; with the upper wall having a center region with a concave wall smoothly sloping downwardly terminating at the sidewall; the base, sidewall, and upper wall together forming a first body section interior volume; and a first region of packing material being within the interior volume and pressed against the base, sidewall, and upper wall; (iii) the second body section has a second body section base, outer sidewall, inner sidewall, and upper wall that together define a second body section interior volume; the second body section having a center aperture with the inner sidewall lining the center aperture; and a second region of packing material being within the second body section interior volume; and where the upper wall center region of the first body section projects into the center aperture of the second body section; (iv) the upper wall of the first body section and the second body section inner sidewall and the second body section base together define the gas flow path; (f) a hopper arrangement between the fan arrangement and the silencer arrangement; wherein the hopper arrangement includes a plurality of chambers surrounding the fan arrangement; the chambers having a region of packing material therein. 4. A gas turbine air intake system according to claim 3 wherein: (a) said hopper arrangement includes a plurality of hoppers supported by the frame, the hoppers being located below one or more columns of filter elements; (b) said fan arrangement includes a plurality of fans, one fan corresponding to each hopper; and (c) said silencer arrangement includes a plurality of silencers; one silencer corresponding to each fan. 5. A method of attenuating noise from a gas turbine air intake system; the method comprising: (a) directing air from a dirty air plenum of a gas turbine air intake system through an air flow path defined by first and second body sections; (i) the first body section including a base, sidewall, and an upper wall; (A) the upper wall having a center region with a concave wall smoothly sloping downwardly terminating at the sidewall; (B) the base, sidewall, and upper wall together forming a first body section interior volume; (C) a first region of packing material being within the interior volume and pressed against the base, sidewall, and upper wall; (ii) the second body section having a second body section base, outer sidewall, inner sidewall, and upper wall; (A) the second body section base, outer sidewall, inner sidewall, and upper wall together defining a second body section interior volume; (B) the second body section having a center aperture; (1) the inner sidewall lining the center aperture; (C) a second region of packing material being within the second body section interior volume; (D) the upper wall center region of the first body section projecting into the center aperture of the second body section; (iii) the upper wall of the first body section and the second body section inner sidewall and the second body section base together define the air flow path; the gas turbine air intake system further comprising: (iv) a fan supported by the upper wall center region; and (v) a hopper including a plurality of chambers surrounding the fan; the chambers having a region of packing material therein. 6. A gas turbine air intake system comprising: (a) a frame; (b) a plurality of filter elements supported by the frame; the filter elements having an upstream portion and a downstream portion; (i) the upstream portion of the filter elements being located in a dirty air plenum, and the downstream portion of the filter elements being located in a clean air plenum; (c) a reverse-pulse cleaning system oriented to periodically direct pressurized fluid into the filter elements through the downstream portion; (d) a fan arrangement in gas flow communication with the dirty air plenum; and (e) a silencer arrangement supported by the frame and in gas flow communication with the fan arrangement; (i) the silencer arrangement including first and second body sections spaced from each other to define a gas flow path therebetween; (ii) the first body section includes a base, sidewall, and an upper wall; with the upper wall having a center region with a concave wall smoothly sloping downwardly terminating at the sidewall; the base, sidewall, and upper wall together forming a first body section interior volume; and a first region of packing material being within the interior volume and pressed against the base, sidewall, and upper wall; (iii) the second body section has a second body section base, outer sidewall, inner sidewall, and upper wall that together define a second body section interior volume; the second body section having a center aperture with the inner sidewall lining the center aperture; and a second region of packing material being within the second body section interior volume; and where the upper wall center region of the first body section projects into the center aperture of the second body section; and (iv) the upper wall of the first body section and the second body section inner sidewall and the second body section base together define the gas flow path; wherein the silencer arrangement permits gas flow in first and second conditions; (A) in a first condition, gas flows from the dirty air plenum, through the silencer arrangement, and to external atmosphere; and (B) in a second condition, gas flows from external atmosphere, through the silencer arrangement, and to the dirty air plenum.
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